There are basically two Dialock systems. Dialock Generation 1 (DG1) and Dialock Generation 2 (DG2).
Normally, only one system is used in a property, as they are not compatible with each other and there are differences in both hardware and software.
In this article you will learn how to identify your system.

NOTE! There are also so-called migration systems. In this case, both versions are in use.